MERRIMACK PHARMACEUTICALS IN

CUSIP: 590328100 Class: CMN

Virtus ETF Advisers LLC's Holding History (CIK: 0001587281)

Note: Option positions (PUT/CALL) are excluded.

Q1 2017
Shares 198,735 Value ($000) $612 Avg Close — Range —
Q4 2016
Shares 179,625 Value ($000) $733 Avg Close — Range —
Q3 2016
Shares 100,090 Value ($000) $636 Avg Close — Range —
Q2 2016
Shares 87,477 Value ($000) $472 Avg Close — Range —
Q1 2016
Shares 31,577 Value ($000) $264 Avg Close — Range —
Q4 2015
Shares 33,570 Value ($000) $265 Avg Close — Range —